Country size comparison

compared to

Japan is about 19 times bigger than Slovenia.

Slovenia is approximately 20,273 sq km, while Japan is approximately 377,915 sq km, making Japan 1,764% larger than Slovenia. Meanwhile, the population of Slovenia is ~2.1 million people (122.1 million more people live in Japan).
Tip: This to-scale comparison of Slovenia vs. Japan uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Japan vs. Slovenia

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Cost of Living Comparison · 7 categories - 2026 data
Slovenia is 37.6% more expensive than Japan overall
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Moving from Japan to Slovenia · OECD 2023
19 people moved from Japan to Slovenia.
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